So I know the answer is
x=1+ square root of 2
And
x=1-square root of 2
But can someone explain how we get to that answer please?
![So I know the answer is x1 square root of 2 And x1square root of 2 But can someone explain how we get to that answer please class=](https://us-static.z-dn.net/files/d60/2a06fd3f88ba0098ba153a383bbc8944.png)